function findProject()
{
    let data = publivAjax('/back/online/findProject', {}, 'get');

    let html = '<option value="全部">全部</option>';
    let list = data.list;
    if (list != null)
    {
        for (let i = 0; i < list.length; i++)
        {
            html += '<option value="' + list[i].productName + '">' + list[i].productName + '</option>'
        }
    }

    $("#roomType").html(html);
}